National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Caldwell, Essex County Airport (KCDW)

Lat: 40.88°NLon: 74.28°WElev: 171ft.

A Few Clouds

84°F

29°C

Humidity 48%
Wind Speed NW 7 mph
Barometer 29.86 in (1011.6 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 13 Aug 3:53 pm EDT
Extended Forecast for

Mahwah NJ

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82. Northwest wind around 7 mph.

    High: 82 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 63. Light northwest wind.

    Low: 63 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 83. Northwest wind 3 to 5 mph.

    High: 83 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. Light north wind.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 81. Light north wind.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 79. Chance of precipitation is 80%.

    High: 79 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm, mainly before 2am. Low around 65. Chance of precipitation is 80%.

    Low: 65 °F

    Showers

  • Monday

    Monday: A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82. Northwest wind around 7 mph.
Tonight
Partly cloudy, with a low around 63. Light northwest wind.
Friday
Mostly sunny, with a high near 83. Northwest wind 3 to 5 mph.
Friday Night
Partly cloudy, with a low around 61. Light north wind.
Saturday
Sunny, with a high near 81. Light north wind.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 79. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm, mainly before 2am. Low around 65. Chance of precipitation is 80%.
Monday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 81.
Monday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 62.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Sunny, with a high near 82.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 66.
Thursday
A chance of showers. Mostly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mahwah NJ
 41.09°N 74.2°W (Elev. 751 ft)
Last Update:
2:19 pm EDT Aug 13, 2026
Forecast Valid:
4pm EDT Aug 13, 2026-6pm EDT Aug 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation